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83 lines
2.3 KiB
83 lines
2.3 KiB
5 years ago
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/*
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Copyright The Helm Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package rules // import "helm.sh/helm/v3/pkg/lint/rules"
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import (
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"fmt"
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"strings"
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"github.com/pkg/errors"
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"helm.sh/helm/v3/pkg/chart"
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"helm.sh/helm/v3/pkg/chart/loader"
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"helm.sh/helm/v3/pkg/lint/support"
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)
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// Dependencies runs lints against a chart's dependencies
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//
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// See https://github.com/helm/helm/issues/7910
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func Dependencies(linter *support.Linter) {
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c, err := loader.LoadDir(linter.ChartDir)
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if !linter.RunLinterRule(support.ErrorSev, "", validateChartFormat(err)) {
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return
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}
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linter.RunLinterRule(support.ErrorSev, linter.ChartDir, validateDependencyInMetadata(c))
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linter.RunLinterRule(support.WarningSev, linter.ChartDir, validateDependencyInChartsDir(c))
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}
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func validateChartFormat(chartError error) error {
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if chartError != nil {
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return errors.Errorf("unable to load chart\n\t%s", chartError)
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}
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return nil
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}
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func validateDependencyInChartsDir(c *chart.Chart) (err error) {
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dependencies := map[string]struct{}{}
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missing := []string{}
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for _, dep := range c.Dependencies() {
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dependencies[dep.Metadata.Name] = struct{}{}
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}
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for _, dep := range c.Metadata.Dependencies {
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if _, ok := dependencies[dep.Name]; !ok {
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missing = append(missing, dep.Name)
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}
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}
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if len(missing) > 0 {
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err = fmt.Errorf("chart directory is missing these dependencies: %s", strings.Join(missing, ","))
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}
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return err
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}
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func validateDependencyInMetadata(c *chart.Chart) (err error) {
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dependencies := map[string]struct{}{}
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missing := []string{}
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for _, dep := range c.Metadata.Dependencies {
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dependencies[dep.Name] = struct{}{}
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}
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for _, dep := range c.Dependencies() {
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if _, ok := dependencies[dep.Metadata.Name]; !ok {
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missing = append(missing, dep.Metadata.Name)
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}
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}
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if len(missing) > 0 {
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err = fmt.Errorf("chart metadata is missing these dependencies: %s", strings.Join(missing, ","))
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}
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return err
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}
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